revisionism /ɹɪˈvɪʒəˌnɪzəm/ noun2 •The advocacy of a revision of some accepted theory, doctrine or a view of historical events.Tories spent last week boldly whistling their unique brand of the kind of historical revisionism that has played a major part in getting us here. — 2018 •An evolutionary form of Marxism, abandoning some of its original principles.Strictly speaking, revisionism was regarded as a theoretical position, but its articulation by Bernstein in the later 1890s was preceded by political tendencies which led to the same direction. — 1978 formsrevisionisms